create JavaFX Bar Chart - Java JavaFX

Java examples for JavaFX:Chart

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Description

create JavaFX Bar Chart

Demo Code

/*/* www.ja  v a  2 s. c o  m*/
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 * All rights reserved. Use is subject to license terms.
 *
 * This file is available and licensed under the following license:
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 * modification, are permitted provided that the following conditions
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 *  - Redistributions in binary form must reproduce the above copyright
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 *    the documentation and/or other materials provided with the distribution.
 *  - Neither the name of Oracle Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
//package com.java2s;
import java.util.Random;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;

import javafx.scene.Node;

import javafx.scene.chart.BarChart;

import javafx.scene.chart.CategoryAxis;

import javafx.scene.chart.NumberAxis;

import javafx.scene.chart.StackedBarChart;

public class Main {
    public static void main(String[] argv) throws Exception {
        boolean horizontal = true;
        boolean simple = true;
        System.out.println(createBarChart(horizontal, simple));
    }

    static Node createBarChart(boolean horizontal, boolean simple) {
        return createBarChart(horizontal, simple, false);
    }

    static Node createBarChart(boolean horizontal, boolean simple,
            boolean stacked) {
        final Random RANDOM = new Random(29782198273l);
        String[] years = { "2001", "2002", "2003" };
        String[] series;
        if (simple) {
            series = new String[] { "A", "B", "C" };
        } else {
            series = new String[] { "A", "B", "C", "D", "E", "F", "G", "H" };
        }
        CategoryAxis xAxis = new CategoryAxis(
                FXCollections.<String> observableArrayList(years));
        NumberAxis yAxis = new NumberAxis();
        yAxis.setLabel("Units Sold");
        ObservableList<BarChart.Series> barChartData = FXCollections
                .observableArrayList();
        final double negative = stacked ? 0 : -500;
        for (int s = 0; s < series.length; s++) {
            ObservableList<BarChart.Data> sd = FXCollections
                    .observableArrayList();
            for (int y = 0; y < years.length; y++) {
                if (horizontal) {
                    sd.add(new BarChart.Data(negative
                            + (2000 * RANDOM.nextDouble()), years[y]));
                } else {
                    sd.add(new BarChart.Data(years[y], negative
                            + (2000 * RANDOM.nextDouble())));
                }
            }
            barChartData.add(new BarChart.Series(series[s], sd));
        }
        Node barChart;
        if (stacked) {
            if (horizontal) {
                barChart = new StackedBarChart(yAxis, xAxis, barChartData);
            } else {
                barChart = new StackedBarChart(xAxis, yAxis, barChartData);
            }
        } else {
            if (horizontal) {
                barChart = new BarChart(yAxis, xAxis, barChartData);
            } else {
                barChart = new BarChart(xAxis, yAxis, barChartData);
            }
        }
        return barChart;
    }
}

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